Katak, Iran
Katak or Kotok or Kotk or Kotak or Kotek (Persian: كتك) may refer to:
- Katak, Chaharmahal and Bakhtiari
 - Katak-e Olya, Chaharmahal and Bakhtiari Province
 - Katak-e Sofla, Chaharmahal and Bakhtiari Province
 - Katak, Arsanjan, Fars Province
 - Katak, Firuzabad, Fars Province
 - Katak, Lamerd, Fars Province
 - Katak, Gilan
 - Kotk, Kerman
 - Katak, Khuzestan
 - Kotak, Kohgiluyeh and Boyer-Ahmad
 - Katak, Kurdistan
 
Persons
- Alan Kotok (1941–2006), American computer scientist